<!DOCTYPE html>
<html>
<head>
    <title>错误页面</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            justify-content: center;
            align-items: center;
            height: 100vh;
            margin: 0;
            background-color: #f4f4f9;
        }

        .error-container {
            text-align: center;
            background-color: #fff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        .error-container h1 {
            color: #333;
        }

        .error-container p {
            color: #777;
        }
    </style>
</head>
<body>
<div class="error-container">
    <h1>访问被拒绝</h1>
    <p>您无权访问此页面，请先 <a href="/login">登录</a>。</p>
</div>
</body>
</html>
